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[186.244.17.112]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3356dc5c04dsm692182eec.8.2026.09.04.20.04.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Sep 2026 20:04:56 -0700 (PDT) From: Felipe Calliari To: linux-media@vger.kernel.org Cc: Sakari Ailus , Bingbu Cao , Hans de Goede , linux-kernel@vger.kernel.org, Felipe Calliari Subject: [PATCH] media: ipu-bridge: Add upside-down sensor DMI quirk for Samsung Galaxy Book3 Ultra Date: Sat, 5 Sep 2026 00:04:35 -0300 Message-ID: <20260905030435.38105-1-calliarifelipe@gmail.com> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit On the Samsung Galaxy Book3 Ultra (960XFH) the OV02C10 sensor is mounted upside-down. The 180 degree rotation is not described in the sensor's ACPI data: both the SSDB and the _PLD report a rotation of 0 degrees, so ipu_bridge_parse_rotation() assigns a "rotation" property of 0 to the sensor fwnode and the image is rendered upside-down in userspace. Because the SSDB degree field holds the valid value 0, the flipped mounting goes unnoticed: the driver logs no warning and userspace (e.g. libcamera) has no way to correct the image. Add a DMI quirk entry for this laptop so that the sensor fwnode gets a "rotation" property of 180 and userspace (e.g. libcamera) can compensate. Tested on the Galaxy Book3 Ultra: with the sensor reporting V4L2_CID_CAMERA_SENSOR_ROTATION = 180 (verified with an equivalent local sensor-driver quirk), libcamera renders the image upright. Signed-off-by: Felipe Calliari --- drivers/media/pci/intel/ipu-bridge.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/media/pci/intel/ipu-bridge.c b/drivers/media/pci/intel/ipu-bridge.c index 1bb3a3e98..165f3c612 100644 --- a/drivers/media/pci/intel/ipu-bridge.c +++ b/drivers/media/pci/intel/ipu-bridge.c @@ -192,6 +192,14 @@ static const struct dmi_system_id upside_down_sensor_dmi_ids[] = { }, .driver_data = "OVTI02E1", }, + { + /* Samsung Galaxy Book3 Ultra */ + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "960XFH"), + }, + .driver_data = "OVTI02C1", + }, {} /* Terminating entry */ }; -- 2.55.0